kc Posted May 7, 2015 Share Posted May 7, 2015 We shouldn't judge the threads on Modelflying by the number of replies but by the quality of the info! However it seems to be that constant replies to the info posted gives the thread a life of it's own, and then gets noticed by all forum members. Posting one picture and then another after half an hour or so at peak times seems to get questions or comments and leads to a popular thread! Something like the cliffhanger at the end of each soap opera episode. Quote Link to comment Share on other sites More sharing options...
Martian Posted May 7, 2015 Author Share Posted May 7, 2015 I shall call it STOLDALE Quote Link to comment Share on other sites More sharing options...
john stones 1 - Moderator Posted May 7, 2015 Share Posted May 7, 2015 Yep starting to look like a plane, it's a thinkers build this one Martian Have my two finished apart from colour schemes, mojo's having a rest John Quote Link to comment Share on other sites More sharing options...
Martian Posted May 7, 2015 Author Share Posted May 7, 2015 thanks John, yes to right it's a thinkers build many an hour has been spent looking at it and thinking how the heck do I do that Quote Link to comment Share on other sites More sharing options...
kc Posted May 7, 2015 Share Posted May 7, 2015 Lets hope it becomes an RCME plan when it's flown....... Quote Link to comment Share on other sites More sharing options...
Martian Posted May 8, 2015 Author Share Posted May 8, 2015 Posted by kc on 07/05/2015 19:07:55: Lets hope it becomes an RCME plan when it's flown....... would be nice but highly unlikely Quote Link to comment Share on other sites More sharing options...
Martian Posted May 8, 2015 Author Share Posted May 8, 2015 Wing covered it's purple I bought this material to make a kite never did it so waste not want not besides it's my wife Karen's favourite colour got to be worth some brownie points. The material is not heavy and is I think polyester with a poly coating making it waterproof and therefore a challenge to fix on ,I had already experimented with a glue/sealer called Modge Podge used in crafting circles and it's brilliant paint it on place material over wing brush out creases or bumps and when dry the material can be ironed heating the glue giving a brilliant bond,anyway here are some pics with the slats covered in solarfilm and temp in place rubbish picture of end view Quote Link to comment Share on other sites More sharing options...
kc Posted May 8, 2015 Share Posted May 8, 2015 It deserves to be a published plan - unusual subject, good size, electric, scale, everything going for it! If you have kept all the part shapes then surely a plan could follow. And there are very few designers publishing now so plenty of opportunity should exist even though there are now only 3 RC magazines in UK shops. Just make sure you have plenty of good photos taken BEFORE the first flight. ( How many times did even the great Boddo have to admit damage on the first flight - at least several times ) Quote Link to comment Share on other sites More sharing options...
Chris Barlow Posted May 10, 2015 Share Posted May 10, 2015 Posted by Martian on 07/05/2015 12:05:59: Posted by Chris Barlow on 06/05/2015 17:44:37: Missed some of your updates! Last time I looked the slats were only sheeted on top! Looks very interesting and quite a nice shape to the fuselage. Looking forward to seeing how you're controlling the slats. I was kind of hoping to get some ideas from other builds for my cub from other cub/stol builds but impatience took over! Although there doesn't seem to be as much building or interest as last year please keep posting updates & pics. Might not be replying frequently but still following all the 2015 mass builds! Thanks Chris ..the slats are fixed as per the fullsize aircraft in normal level flight they operate as part of the wing but in take of at a high angle of attack they are hugely effective as in landing ,the angle and shape create a venturi so air is forced at high speed over the wing that combined with the full wing flaps allows take of angles of about 30 degrees and take of distance 3 times the length of the plane .do a google of the zenith 701 and 750 .hope that helps Martian Yes I tried to make a narrowing venturi type slot on my cubs wing slats too. Don't know if it's going to work on small scale but from the videos I could find on youtube I can see how it's supposed to work. All being well you should be ready for the maiden well before mine so looking forward to hearing how they perform, hopefully as good as Martyns. Quote Link to comment Share on other sites More sharing options...
Martian Posted May 14, 2015 Author Share Posted May 14, 2015 Thanks KC I should point out it is not 100% scale and is a hybrid of the CH701 and CH750 the 750 has a bubble canopy roof and bubble side windows and also extra cabin windows a lot of extra work and poss additional weight. I also used the extra wing span and wing area from the 750 fuselage length is slightly increased at the tail end and engine cowling is about an 1" longer to accommodate the lipo size there is a wide variation on engine cowling dependant on engine used and whims of kitplane builders ,if this prototype is successful then I may think about concentrating on a particular plane that is UK based and hopefully get more accurate details, I have to assess how well the weight distribution is placed because the servos occupy the seat area anyway enough now here's some more pics Oh and thank you Chris cabin strengthening bars brass tube and cowl roughed out below at bottom edge I got the bottom side profile shape wrong and had to build up with balsa and lightweight filler old credit or gift cards make excellent filler spreaders paint on ,didn't fancy trying to cover that area with solarfilm it would have involved lots of burns cooling air intake as per full size will direct air over the ESC dummy exhausts will allow some of the warm air out the rest can find it's way past lipo box into cabin area that's all for now but not much more to do more paint /finish covering/fit uc components and oversized wheels /fit rudder and tailplane/fit wing centre section /test fly and crash Quote Link to comment Share on other sites More sharing options...
Martian Posted May 19, 2015 Author Share Posted May 19, 2015 Some pics to bring it up to date ,maybe a week poss 2 before it will be finished Quote Link to comment Share on other sites More sharing options...
john stones 1 - Moderator Posted May 19, 2015 Share Posted May 19, 2015 Looking good now Martian, soon be doing the glazing John Quote Link to comment Share on other sites More sharing options...
Chris Barlow Posted May 19, 2015 Share Posted May 19, 2015 I like how the doors go almost to the floor! Interesting elevator mechanism and hinging too! Really looking forward to seeing it at Greenacres! Quote Link to comment Share on other sites More sharing options...
Martian Posted May 19, 2015 Author Share Posted May 19, 2015 Thanks John doors are made and glazed but will be fixed in position template made for windshield Thanks Chris and I'm looking forward to seeing your Cub and the pink panther Quote Link to comment Share on other sites More sharing options...
Martian Posted May 30, 2015 Author Share Posted May 30, 2015 All but complete just a few minor things like struts /ae / flap linkages check CG ,it's finished hefty at 6lbs and nose heavy mind you that is with a 4s lipo and beefy motor checked on watt meter it gives about 600/700 watts with a 14x6 prop here,s some pics Quote Link to comment Share on other sites More sharing options...
john stones 1 - Moderator Posted May 30, 2015 Share Posted May 30, 2015 Looks great Martian what was target weight on the plan ? John Quote Link to comment Share on other sites More sharing options...
Martian Posted May 30, 2015 Author Share Posted May 30, 2015 Thanks John there was no plan i drew it up myself so a lot of it just evolved but I had hoped it would be 4.5 to 5 lbs Quote Link to comment Share on other sites More sharing options...
john stones 1 - Moderator Posted May 30, 2015 Share Posted May 30, 2015 Yes you did and you told us at the beginning it'll be right I have confidence in you John Quote Link to comment Share on other sites More sharing options...
Chris Barlow Posted May 30, 2015 Share Posted May 30, 2015 Certainly looks right, and very nice. Quote Link to comment Share on other sites More sharing options...
Martian Posted May 31, 2015 Author Share Posted May 31, 2015 Thanks Chris Quote Link to comment Share on other sites More sharing options...
Jim 15256 Posted June 20, 2016 Share Posted June 20, 2016 Just found this build. Very nice work. Have you flown it? Quote Link to comment Share on other sites More sharing options...
Martian Posted June 20, 2016 Author Share Posted June 20, 2016 Thank you Jim. no not flown yet had a bit of a problem on its first take off it rose at a steep angle and dropped a wing before hitting the deck it suffered a bit ,I've rebuilt the nose ready to try again Quote Link to comment Share on other sites More sharing options...
Jim 15256 Posted June 21, 2016 Share Posted June 21, 2016 Thanks for the feedback. Good luck. Quote Link to comment Share on other sites More sharing options...
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